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    Ultrabroad linewidth orange-emitting nanowires LED for high CRI laser-based white lighting and gigahertz communications

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    Name:
    Bilal Janjua-Final-HR.pdf
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    PDF
    Description:
    Accepted Manuscript
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    Type
    Article
    Authors
    Janjua, Bilal cc
    Ng, Tien Khee cc
    Zhao, Chao cc
    Oubei, Hassan M. cc
    Shen, Chao cc
    Prabaswara, Aditya cc
    Alias, Mohd Sharizal cc
    Alhamoud, Abdullah
    Alatawi, Abdullah cc
    Albadri, Abdulrahman M.
    Alyamani, Ahmed Y.
    El-Desouki, Munir M.
    Ooi, Boon S. cc
    KAUST Department
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    KAUST Grant Number
    BAS/1/1614-01-01
    Date
    2016-08-10
    Online Publication Date
    2016-08-10
    Print Publication Date
    2016-08-22
    Permanent link to this record
    http://hdl.handle.net/10754/621836
    
    Metadata
    Show full item record
    Abstract
    Group-III-nitride laser diode (LD)-based solid-state lighting device has been demonstrated to be droop-free compared to light-emitting diodes (LEDs), and highly energy-efficient compared to that of the traditional incandescent and fluorescent white light systems. The YAG:Ce3+ phosphor used in LD-based solid-state lighting, however, is associated with rapid degradation issue. An alternate phosphor/LD architecture, which is capable of sustaining high temperature, high power density, while still intensity- and bandwidth-tunable for high color-quality remained unexplored. In this paper, we present for the first time, the proof-of-concept of the generation of high-quality white light using an InGaN-based orange nanowires (NWs) LED grown on silicon, in conjunction with a blue LD, and in place of the compound-phosphor. By changing the relative intensities of the ultrabroad linewidth orange and narrow-linewidth blue components, our LED/LD device architecture achieved correlated color temperature (CCT) ranging from 3000 K to above 6000K with color rendering index (CRI) values reaching 83.1, a value unsurpassed by the YAG-phosphor/blue-LD counterpart. The white-light wireless communications was implemented using the blue LD through on-off keying (OOK) modulation to obtain a data rate of 1.06 Gbps. We therefore achieved the best of both worlds when orange-emitting NWs LED are utilized as “active-phosphor”, while blue LD is used for both color mixing and optical wireless communications.
    Citation
    Bilal Janjua, Tien Khee Ng, Chao Zhao, Hassan Makine Oubei, Chao Shen, Aditya Prabaswara, Mohd Sharizal Alias, Abdullah Ali Alhamoud, Abdullah Awaad Alatawi, Abdulrahman M. Albadri, Ahmed Y. Alyamani, Munir M. El-Desouki, and Boon S. Ooi, "Ultrabroad linewidth orange-emitting nanowires LED for high CRI laser-based white lighting and gigahertz communications," Opt. Express 24, 19228-19236 (2016)
    Sponsors
    King Abdulaziz City for Science and Technology (KACST) (KACST TIC R2-FP-008); King Abdullah University of Science and Technology (KAUST) (BAS/1/1614-01-01).
    Publisher
    The Optical Society
    Journal
    Optics Express
    DOI
    10.1364/OE.24.019228
    Additional Links
    https://www.osapublishing.org/abstract.cfm?URI=oe-24-17-19228
    ae974a485f413a2113503eed53cd6c53
    10.1364/OE.24.019228
    Scopus Count
    Collections
    Articles; Electrical and Computer Engineering Program; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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